Reference

station

Difference of reference stations coordinates between epochs, mm

Resulted Seven Parameters of transformation

2nd epoch - 1st epoch

3rd epoch - 1st epoch

Parameter

2nd epoch - 1st epoch

3rd epoch - 1st epoch

RS1

X

25.10

17.31

TX, m

0.18861

0.1534

Y

−29.49

17.50

TY, m

0.0981

0.1224

Z

−1.19

−4.10

TZ, m

0.2345

0.2003

RS2

X

−38.08

−30.9

(1 + λ)

1.0002

0.9988

Y

8.31

19.30

ωX

8' 16.2''

9' 22.1''

Z

−14.39

15.62

ωY

5' 37.5''

4' 11.8''

RS3

X

32.28

13.38

ωZ

10' 28.4''

7' 43.1''

Y

29.04

7.28

Z

−14.39

15.62

RS4

X

42.23

−12.22

Y

16.61

21.79

Z

4.11

−9.20